Reason for Adventure
I discovered this charming word in Blameless by Gail Carriger I believe.
1. unreal; imaginary; visionary: a chimerical terrestrial paradise.
2.wildly fanciful; highly unrealistic: a chimerical plan
Origin: 1630–40; chimer(a) + -ical
1. illusory, fantastic.
Online Etymology Dictionary Information
chimera (n.) fabulous monster, late 14c., from Old French chimere or directly from Medieval Latin chimera, from Latin Chimaera, from Greekkhimaira, name of a mythical creature, slain by Bellerophon, with a lion’s head, a goat’s body, and a serpent’s tail (supposedly personification of snow or winter); literally “year-old she-goat” (masc. khimaros), from kheima “winter season” (see hibernation). Figurative meaning “wild fantasy” first recorded 1580s in English (attested 13c. in French).“Beestis clepid chymeres, that han a part of ech beest, and suche ben not, no but oonly in opynyoun”. [Wyclif, “Prologue”]